Invention Grant
- Patent Title: Bat for baseball or softball
- Patent Title (中): 棒棒球或垒球
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Application No.: US12165718Application Date: 2008-07-01
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Publication No.: US07993223B2Publication Date: 2011-08-09
- Inventor: Makoto Watari , Katsumi Shimohira , Shuichi Nagashima
- Applicant: Makoto Watari , Katsumi Shimohira , Shuichi Nagashima
- Applicant Address: JP Yokohama-shi, Kanagawa
- Assignee: Nippon Shaft Co., Ltd
- Current Assignee: Nippon Shaft Co., Ltd
- Current Assignee Address: JP Yokohama-shi, Kanagawa
- Agency: Nixon Peabody LLP
- Agent Jeffrey L. Costellia
- Priority: JP2008-123266 20080509
- Main IPC: A63B59/06
- IPC: A63B59/06

Abstract:
A bat for baseball or softball of the present invention includes a first tube having an impact part, a step part and a stopper part, a cylindrical second tube, a fixing component being inserted between the first tube and second tube, the step part having an exterior diameter larger than that of the impact part and smaller than an interior diameter of the second tube, the stopper part having an exterior diameter larger than that of the step part and large than the interior diameter of the second tube, the second tube is held of an exterior periphery of the impact part, one end of the second tube is fixed between the stopper part and the step part by an adhesive and the other end is fixed by an adhesive on the fixing component, and a crevice is formed between the first tube and the second tube.
Public/Granted literature
- US07883433B2 Bat for baseball or softball Public/Granted day:2011-02-08
Information query